Crack the code of the missing starting number with this investigative subtraction worksheet!

In this worksheet, students use the hundreds chart to crack the code and find the hidden treasure.

Take a daring dive into divison as you help a dragon crack the code! 

Decode the secret message Ninja Aki has sent you! He writes his messages in addition and subtraction problems. Solve and unravel his secret ninja message!

Become a math detective with this inviting first-grade worksheet!

Have your first and second graders try to crack the code and solve the puzzle, one number box at a time!

Each Christmas gift in this math and coloring worksheet contains an addition or subtraction problem that helps your child crack the color 'code.'

Kids solve multiplication problems to crack the code and find the egg-laying mystery mammal on this third grade math worksheet.

Can you decode the secret message hidden in these addition problems?

Kids solve addition and subtraction problems with one- and two-digit numbers to crack the code and find the mystery word on this first grade math worksheet.

Looking for a fun math worksheet? This multi-step printable challenges your child to match shapes to their description to crack a secret code!

Kids solve addition and subtraction problems with one- and two-digit numbers to crack the code and find the mystery word on this first grade math worksheet.

Use your addition and decoding skills to solve eight problems in this fun math puzzle!

Kids can practice two-digit addition, then crack a word puzzle using their answers in this 2nd grade math worksheet.

Your child can be a code breaker and practice her multiplication skills. Multiply three-digit numbers on this coded math worksheet, and help a math ninja out!

Keep your child busy on snowy days with this winter-themed 2nd grade math worksheet. They'll practice two-digit addition, then crack a word puzzle at the end.

Practice the concept of perfect squares with this fun worksheet. To uncover the code your child will need to determine if each number is a perfect square.

Create a masterpiece as you solve multiplication and division problems with this third-grade worksheet!

To determine this hero's mystery code name, your second grader needs to find the answers to this page full of two-digit addition problems.

Can your kid solve these multiple-step word problems by using a number line? Let her take a crack at it and see how well she does!

Subtract the numbers to find the difference, then color code the answer for odd or even.

What makes a polygon? Get your child in gear for geometry with this shape-shifting worksheet! Color code these shapes to show which ones are polygons.

Secret codes and ninjas make everything more interesting, including subtracting 4-digit numbers!

Practice dividing by two-digit numbers just got a lot more interesting thanks to secret codes and Ninja Aki.

Use math to solve an international mystery! Where in the world is the super secret location?

Help Santa color his gifts. With some math know-how and a few festive crayons, your child just might save Christmas.

Sail smoothly through addition practice with this hundred chart worksheet for first and second graders!

In this cheerful activity, enjoy the snowy weather without getting cold!

First and second graders will have snow much fun with this winter-themed puzzle worksheet!

This delicious treat is color coded with different equations that your child can practice solving as he colors the layers of this delicious ice cream cone.